A railway train 50 m long passes over a bridge 250 m long with uniform velocity of `10 m s ^(-1)`. How long will it take to completely pass over the bridge ?

A train 100 m long is moving with a velocity of 60 kmh^-1 . Find the time it takes to cross the bridge 1 km long.

A first order reaction is 40%. Complete in 50 minute. How long will it take to 80% complete.

A train passes over a 200 m long bridge in 10s. The length of the train is 100 m. The speed of the train is

A body is moving with a velocity of 10 m/s. If the motion is uniform, what will be the velocity after 10s?

A solid cylinder rolls up an inclined plane of angle of inclination 30^@ . At the bottom of the inclined plane the centre of mass of the cylinder has a speed of 5 m//s :- How long will it take to return to the bottom?

A particle is thrown up vertically with a velocity of 50 m/s. What time would it take to reach the highest point?

A flyover is 500 m long. A 10 m long bus crosses the flyover at a speed of 30 ms^-1 . Find the time taken by to cross it.

A copper rod of length 0.18 m is moving with a uniform velocity 10 ms^-1 parallel to a long straight wire carrying a current of 5.0 A. The rod itself is perpendicular to the wire with its ends at distances 0.01 m and 0.2 m from it. Calculate the e.m.f. induced in the rod.